Assistant Controller

HackerOne is the global leader in human-powered security, harnessing the creativity of the world’s largest community of security researchers with cutting-edge AI to protect your digital assets. The HackerOne Platform combines the expertise of our elite community and the most up-to-date vulnerability database to pinpoint critical security flaws across your attack surface. Our integrated solutions, including bug bounty, pentesting, code security audits, spot checks, and AI red teaming, ensure continuous vulnerability discovery and management throughout the software development lifecycle. Trusted by industry leaders such as Coinbase, General Motors, GitHub, Goldman Sachs, Hyatt, PayPal, and the U.S. Department of Defense, HackerOne was named a Best Workplace for Innovators by Fast Company in 2023 and a Most Loved Workplace for Young Professionals in 2024.

HackerOne is looking for an Assistant Controller to oversee and continuously improve day-to-day accounting operations and the Company's close process. The ideal candidate should be efficient in working in a fast-growing start-up environment, rolling up their sleeves to help problem solve and have a passion for driving process improvements incorporating automation and systems all in a digital first setting. Reporting to the Controller, the Assistant Controller will serve as a thought leader, solving complex problems across diverse subject areas, while collaborating extensively with cross-functional partners. The ideal candidate fosters employee development helping contribute to building a world-class accounting team. 

• Oversee day-to-day global accounting operations team across various areas such as cash and payments management, fixed assets, accounts payable and accruals, travel and expenses, and general ledger using digital first best practices

• Oversee, drive and continuously improve the month-end, quarter-end and year-end close processes including consolidation, journal entry review, flux analysis, reconciliation review and financial reporting

• Establish, document and enforce proper accounting methods, policies and principles company wide

• Collaborate cross functionally including with other finance team members to develop, drive and implement efficient accounting processes and controls

• Drive improvements in using our finance systems to continue to streamline and automate processes

• Oversee external audit preparations and liaise with external auditors and tax preparers

• Contribute to the design, development and implementation of strong internal controls

• Assist the Controller with investor relations activities, including preparing materials for audit committee and board meetings

• Oversee, mentor and develop global accounting team

• 8+ years of experience in the accounting field with a combination of public accounting, late-stage technology start-ups and/or public companies, with 3+ years …